Shares of Nebius Group N.V. ($NBIS) experienced significant gains, rising 6.72% in premarket trading following speculation of potential mergers and acquisitions involving Nvidia ($NVDA). The stock reached new highs, increasing by nearly 50% over the past week. Analysts noted a strong buying interest, with 1,500 January $26 in-the-money call options being purchased at prices ranging from $7.85 to $8.05. The stock's performance has been attributed to a recent surge in market interest, as evidenced by a $436,000 premium noted in trading activity. Additionally, Applied Digital ($APLD) shares rose by 1.78% in premarket trading amid the same Nvidia-related speculation.